HP, Sears Deal May Push Stocks Higher  NEW YORK (Reuters) - U.S. stock futures pointed to a higher  market open on Wednesday, bouncing back from the previous  session's fall, after computer and printer maker  Hewlett-Packard Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HPQ.N target=/stocks/quickinfo/fullquote"&gt;HPQ.N&lt;/A&gt; reported better-than-expected  earnings and the announcement of a major retail merger. 
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